iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-10-23T17:08:19Z. The update package is 291.69 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bcc823453b92dba93b4203c36ee28d3b3ae1e645.zip.